Chlorastrolite and Gahnospinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.1-3.5
  
3.65-4.55
  
Fracture
Granular
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
None, but may exhibit slight parting
  
Mohs Hardness
5-6
  
7.5-8
  
Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
  
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  
Chlorastrolite and Gahnospinel Chemical Formula
While comparing Chlorastrolite and Gahnospinel physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chlorastrolite and Gahnospinel chemical formula.
- Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chlorastrolite and Gahnospinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.